UNIX System Administrator Jobs in Arlington, VA

Take ownership of Linux systems management while supporting a team of cybersecurity experts. You'll oversee system operations, compliance patches, and assist users, ensuring optimal performance and re...

Unlock your potential in systems administration, supporting a dynamic cybersecurity team through effective management of Linux and Windows systems while ensuring compliance and optimal performance for...

Support our mission by administering and enhancing Linux and virtualized systems while ensuring security compliance. Leverage your expertise in systems management to maintain infrastructure performanc...

Join a team that's focused on enhancing enterprise endpoint security, providing technical support, and facilitating continuous improvement. Utilize your expertise in endpoint technologies to ensure a...

Champion the management of a secure Veritas NetBackup infrastructure, ensuring seamless operations in a high-security environment. Collaborate closely with teams to optimize backup solutions while adh...

Join a team dedicated to enhancing intelligence capabilities through advanced RF, cyber, and SIGINT systems. Engage in full systems lifecycle management, from deployment to sustainment, in dynamic env...

Join us to provide technical support and administration for cloud services, troubleshooting issues, ensuring compliance, and enhancing customer satisfaction in a secure federal environment with a focu...

Drive network reliability by troubleshooting and optimizing infrastructure, ensuring compliance and security. Collaborate with team members, maintain certification, and manage outages to support a 24...

Join a team that's revolutionizing cloud infrastructure management and operations. You will lead technical strategies in AWS environments, ensuring high availability and security while collaborating a...

Optimize the operation and maintenance of critical security systems. Ensure peak performance of hardware and software while adhering to security protocols. Collaborate effectively with teams to enhanc...

Take ownership of systems and network administration, ensuring optimal IT support for national security operations. Collaborate with technical teams and end-users to maintain system availability, supp...

Discover innovative solutions as a Mid-Level System Administrator, supporting IT systems with implementation, troubleshooting, and maintenance while optimizing operations across diverse environments a...

Tackle the challenges of IT systems management by providing support, troubleshooting, and maintenance for diverse IT infrastructures, while ensuring optimal performance and user satisfaction through e...

Empower operational excellence as a System Administrator Level 2, supporting and maintaining complex IT systems through troubleshooting, configuration, and performance enhancements while ensuring reli...

Champion secure enterprise network solutions, ensuring optimal performance and robust security across diverse hardware and software systems. Collaborate with teams to achieve seamless connectivity and...

Champion Linux infrastructure and automation while leading a skilled team. Drive operational excellence and enhance system reliability in support of critical public safety operations...

Join a team that's enhancing business operations through expert support of the ServiceNow platform, driving integrations, and refining IT processes within a dynamic IT environment...

Unlock potential by managing VMware environments, enterprise storage solutions, and Windows Server systems. Contribute to security implementations and compliance while supporting various network and i...

Optimize Linux-based systems for reliability and security, ensuring seamless integration. Collaborate with teams to design, maintain, and enhance infrastructures, while supporting users through techni...

Transform endpoint support by leading a dedicated team to enhance security, performance, and reliability of IT services, ensuring a seamless user experience while driving process improvements and oper...

Unlock potential by supporting complex network environments, optimizing performance, and ensuring security for critical government missions. Partner with Agile teams to deliver innovative solutions an...

Unlock the potential of complex machine data as you manage and optimize an advanced Splunk environment, focusing on health, efficiency, and integrations within a dynamic enterprise landscape. Engage w...

Partner with us to enhance system performance and security, ensuring efficient operation of network environments through proactive management and expert problem-solving. Play a vital role in maintaini...

Shape your career by delivering essential Tier 1-3 support in secure cloud environments, ensuring operational excellence while driving innovation and effective problem-solving to support critical nati...

Unlock potential by developing robust Linux software solutions while leveraging your programming expertise in C/C++ and Rust. Collaborate with cross-functional teams and support complex networking sys...